Clarion MAX667VD, Руководство по обслуживанию

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MAX667VD - 7 -
051-3924-90 MD1424R DC to DC Converter
051-3925-90 OZ9910ISN-T2 Dual Forward PWM Controller
TerminalDescription
pin 1: N DRV 4 : Bottom MOSFET gate drive output in dual
forward converter.
pin 2: P GND : High-current power ground.
pin 3: N DRV 2 : Bottom MOSFET gate drive output in dual
forward converter.
pin 4: GND A : Low-current signal ground.
pin 5: CT : High frequency oscillator capacitor for oper-
ation and striking frequency.
pin 6: LCT : Low frequency timing capacitor for LPWM
dimming and striking timer.
pin 7: ADJ : Signal input for LPWM/ analog dimming.
pin 8: ENA : Enable and reset.
pin 9: V-SENSE : Transformer output over-voltage and over-
current detection.
pin 10: CMP/SST : Soft start and loop compensation capacitor.
pin 11: I-SENSE : Lamp current sensing and lamp on detec-
tion.
pin 12: Vref : Reference voltage output.
pin 13: VIN : Supply voltage for IC.
pin 14: HSB : High side driver buffer output.
pin 15: P DRV 3 : Top MOSFET gate drive output in dual for-
ward converter.
pin 16: P DRV 1 : Top MOSFET gate drive output in dual for-
ward converter.
051-3927-90 NJM2505F Isolation Amplifier
051-5342-90 NJM2524V Video Switch
051-6086-00 LZ9FE30 Timing Controller for TFT LCD
Terminal Description
pin 1: V IN : IN : Vertical synchronous signal input.
pin 2: CVOP : O : Classified vertical synchronous signal out-
put.
pin 3: MON E : O : Test setting output.
pin 4: H SY :I/O: Horizontal synchronous signal input/output.
pin 5: VDD : - : Positive voltage supply.
pin 6: FRP T : O : Polarity invert signal output for the twin-
terminals.
pin 7: SYNI : IN : Composite synchronous signal input.
pin 8: FRP V : O : Polarity invert signal output for the video
signal.
pin 9: GND : - : Ground.
pin 10: VCS : O : Mask signal output for normal mode.
pin 11: NTPC : IN : NTSC/PAL setting signal input.
pin 12: VSY :I/O: Vertical synchronous signal input/output.
pin 13: HRV C : IN : Horizontal scanning direction select signal
input.
pin 14: VRV C : IN : Vertical scanning direction select signal
input.
pin 15: CLK C : IN : I/O setting input.
H : EX CLK ( pin 18 ), HSY ( pin 4 ) and
VSY ( pin 12 ) are Output terminals.
L : EX CLK ( pin 18 ), HSY ( pin 4 ) and
VSY ( pin 12 ) are input terminals.
pin 16: MD S : IN : Display mode setting signal input.
pin 17: GND : - : Ground.
pin 18: EXCL :I/O: External clock input/output.
pin 19: GND : - : Ground.
pin 20: MD W : IN : Display mode setting signal input.
pin 21: MD N : IN : Display mode setting signal input.
pin 22: PWM : O : Back light control signal output.
pin 23: MON F : O : Test setting output.
+
-
Error Amp out 12
Error Amp in- 13
+
-
OSC
OSC
10
+
-
Over+
16
Over -
1
5
Soft S
1
4
R
S
Q
Dead
time
Control Low
side
Driver
High
side
Driver
1,2,22,23,24,25
V
out
3,4,5,6
VDD
P
GND
26
V GL
21
V GH
7
Boot
strap
VB
8
GND
9
17
Vboot
20
VCC
19
V
ref
11
R/C (H-ON) 18
CONTROL
Thermal
shut down
Vref 12
ADJ 7
V-SENSE 9
GND A 4
CMP/SST 10
I-SENSE 11
P DRV 3 15
N DRV 2 3
HSB 14
ENA 8
CT 5
P GND 2
P DRV 1 16
N DRV 4 1
VIN
13
Voltage Ref
Current Bias
LCT 6 LF OSC
LFCK
Current
Feedback
Control
Control
Logic
Voltage
Feedback
Control
3V
Feedback Control
High-side
Driver Buffer
Output
Driver
HF OSC
Protection
HFCK
GND
V+
1
2
3
5
4
Vi n 2 B 3
Pedestal
Clamp
Vi n 1 B 1 Pedestal
Clamp
Pedestal
Clamp
Pedestal
Clamp
Vo u t B 18
C L 1 B 19
C L 2 B 17
Vi n 2 A 29
Pedestal
Clamp
Vi n 1 A 25 Pedestal
Clamp
Pedestal
Clamp
Pedestal
Clamp
Vo u t A 22
C L 1 A 23
C L 2 A 20
Vi n 2 C 8
Pedestal
Clamp
Vi n 1 C 6 Pedestal
Clamp
Pedestal
Clamp
Pedestal
Clamp
Vo u t C 16
C L 1 C 10
C L 2 C 9
Vi n 2 D 31
Vi n 1 D 27
C P 12
M U T E 15
S W 14
GND
7
NC
5
GND
4
GND
2
GND
1
1
GND
NC
V+
GND GND GND GND
13 21 24 26 28 30 32
L : M u t e O F F
L : Vi n 1 s i d e , H : Vi n 2 s i d e
H
H
H
L
L
L
L
L
L
H
H
H
EXPLANATION OF IC